NFC, an acronym for "No Fat Chicks", can be used in multiple ways. It can be applied to simply represent a woman with large body mass - such as "did you see that NFC", a label - such as "NFC Emily", or as a literal translation of its meaning; "Come check to my party - NFC!"

While derogatory, its generally considered good taste not to tell NFC's what the acronym means. If confronted as to the meaning by a whale-like female, come up with a definition; "No fucking clue", "Nice facial caricatures", etc. It's imperative you dont let an NFC know what the definition is - lest you be sat on by a large mass of carbon, water, and ugly.

"DID YOU SEE THAT NFC? MOBY DICK AT 6 O'CLOCK!"
"Ok - invite people to the throwdown, but NFC"
"I enjoy watching NFCs fight; especially when its full contact. Its like a cheap version of pay per viewsumo wrestling"

Near Field Communications. In general, technology that allows wireless transmission of data directly from one mobile device to another in close proximity, without the need for satellite or wi-fi networks.

In particular, refers to files, usually music mp3s, transmitted via Near Field technology, and often using questionable 3rd-party or jailbroken phone apps. Popular with teenagers.

In IMVU Instant Messaging room rules it means No Forced Collaring. IMVU chat rooms are "virtual" rooms with many themes including BDSM and Slavery. If a chat room is NFC it means you cannot come in and role play enforced enslavement on another person's avatar.